I've solved my problem by using HttpWebRequest method.
using System;
using System.Linq;
using System.Collections.Generic;
using System.Text;
using System.Net;
using System.IO;
namespace wlchrUrl
{
class urlConn
{
public void DoConnect(string url)
{
Uri uri = new Uri(url);
try
{
HttpWebRequest httpRequest = (HttpWebRequest)HttpWebRequest.Create(uri);
HttpWebResponse httpResponse = (HttpWebResponse)httpRequest.GetResponse();
Stream stream= httpResponse.GetResponseStream();
httpResponse.Close();
stream.Close();
}
catch(Exception ex)
{
throw ex;
}
}
}
}